Networking

This section explores the fundamental concepts and practical implementations of computer networking, from basic protocols to complex distributed systems. Understanding networking is essential for building modern applications, securing systems, and architecting scalable infrastructure.

Core Networking Concepts

Networking Fundamentals

Essential networking concepts, OSI model, and fundamental principles that underpin all network communication.

IP Addressing

Internet Protocol addressing schemes, IPv4, IPv6, subnetting, and network identification.

IP Protocol Suite

The foundational protocol stack that powers internet communication, including TCP, UDP, and related protocols.

DHCP Server

Dynamic Host Configuration Protocol for automatic IP address assignment and network configuration management.

UDP Protocol

Connectionless communication protocol for low-latency applications and real-time systems.

SMTP Protocol

Email transmission protocol that powers internet mail delivery systems.

Virtual Machines

Network virtualization and machine isolation for testing, development, and deployment.

Distributed Systems

Distributed Systems Overview

Introduction to distributed computing, system architecture, and coordination challenges.

Consensus and Coordination

Data Synchronization

  • CRDTs - Conflict-free replicated data types
  • Automerge - CRDT implementation for collaborative editing

Infrastructure and Services

  • DNS - Domain name resolution and infrastructure
  • CDN - Content delivery and caching networks
  • Tor Network - Anonymous routing and privacy networks

Network Architectures

Platform-Specific Systems

System Reliability

Operating Systems

Operating Systems Overview

Comprehensive coverage of operating system architectures and kernel designs.

Linux Systems

Linux notes have moved to the Linux Systems section under Operating Systems.

Core Linux

Cloud Computing

Cloud Computing

Cloud service models, deployment strategies, and modern cloud infrastructure patterns.

Wireless and Radio

Wireless Technologies

Radio Technologies

Low-Power Wide Area Networks

Learning Path

1. Foundational Knowledge

Start with networking fundamentals and IP addressing to understand basic concepts.

2. Protocol Understanding

Learn IP, DHCP, UDP, and SMTP for core protocols.

3. Distributed Systems

Explore distributed systems concepts, starting with consensus and coordination.

4. Practical Applications

Study Linux systems and cloud computing for real-world implementations.

5. Advanced Topics

Investigate specialized areas like unikernels and IoT networking.

Practical Applications

Network Administration

  • Design and configure network infrastructure
  • Implement security measures and monitoring
  • Troubleshoot connectivity and performance issues

Software Development

  • Build networked applications and services
  • Implement distributed system architectures
  • Optimize network performance and reliability

System Architecture

  • Design scalable network topologies
  • Plan for fault tolerance and high availability
  • Integrate cloud and on-premises infrastructure

Emerging Technologies

  • IoT and edge computing networks
  • 5G and next-generation wireless systems
  • Decentralized and peer-to-peer applications

Interconnections

This networking section connects deeply with other areas of the digital garden:

This section provides a comprehensive foundation for understanding, building, and maintaining the networked systems that power our digital world.

17 items under this folder.

Cloud Computing

Cloud computing is the on-demand delivery of IT resources over the Internet with pay-as-you-go pricing. Instead of buying, owning, and maintaining your

DHCP Server

A DHCP server is a network server that automatically provides and assigns IP addresses, default gateways, and other network parameters to client devices

IP Address

An IP address (Internet Protocol address) is a unique numerical identifier assigned to each device connected to a computer network that uses the Internet

ISM Radio Bands

ISM radio bands are portions of the radio spectrum reserved internationally for industrial, scientific, and medical (ISM) purposes, excluding applications

LoRa (Long Range) Technology

LoRa (Long Range) is a wireless communication technology designed for low-power, long-range applications. Here's a breakdown of what LoRa is and how it

LoRaWAN Protocol

LoRaWAN is a low-power wide-area networking (LPWAN) protocol designed for connecting battery-operated devices to the internet in regional, national or

Mobile Hotspot

A mobile hotspot is a portable device that allows you to create a Wi-Fi network using cellular data, enabling you to connect multiple devices to the

TCP/IP Protocol Suite

The TCP/IP (Transmission Control Protocol/Internet Protocol) is a suite of communication protocols used to interconnect network devices on the internet.

Virtual Machines

Notes on Virtual Machines.

Wi-Fi Networking

Notes on Wi-Fi Networking.

Operating Systems

Exploring operating system architectures, kernels, and system design principles that power modern computing.

Distributed System

Architectures and patterns for systems distributed across multiple networked nodes.

Simple Mail Transfer Protocol (SMTP)

Email transmission protocol that powers internet mail delivery systems

User Datagram Protocol (UDP)

A lightweight, connectionless communication protocol in the Internet protocol suite